How can I maintain a fixed size of 600x600 for a video embed on mobile view using Webflow?

TL;DR
  • Wrap the video embed in a Div Block and, on mobile view, set the Div’s width and height to 600px.  
  • Set the video’s width and height to 100% to fill the Div, disable responsive iframe settings by using fixed dimensions, and remove max width/height constraints.

To maintain a fixed 600x600 size for a video embed on mobile view in Webflow, you need to override the responsive behavior and apply strict dimensions using the style panel.

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1. Select the Embed Element

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  • Click on your embedded video inside the Webflow Designer.
  • If you’re using a Video component, make sure to place it inside a Div Block for better control.
  • If you're using a custom Embed block, wrap the embed in a Div as well.

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2. Set Fixed Dimensions on Mobile Viewports

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  • Switch to the mobile portrait view using the device icons at the top of the Designer.
  • Select the parent Div Block that contains the video.
  • In the Style panel, set:
  • Width: 600px
  • Height: 600px
  • Also set the video element itself to:
  • Width: 100%
  • Height: 100%
  • This ensures the video fills the parent container exactly.

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3. Prevent Responsive Scaling

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  • In some cases, embedded videos (like YouTube or Vimeo) are responsive by default.
  • If using an Embed block, ensure the iframe does not include width/height set to 100% or set by aspect ratio logic.
  • Instead, add inline styles to your iframe such as:
  • width="600" height="600"
  • You can also use style="width:600px; height:600px;" inside the iframe tag.

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4. Turn Off Max Widths (If Needed)

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  • On the parent Div or video element, set:
  • Max Width: none
  • Max Height: none
  • This removes additional constraints applied by Webflow’s default responsive rules.

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5. Optional: Hide Overflow

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  • If any part of the video spills outside its container, select the container Div and set:
  • Overflow: hidden

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Summary

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To fix a video embed at 600x600 on mobile, wrap it in a Div, apply fixed pixel dimensions to that Div on mobile view, and ensure the video fills the container using 100% width/height. Also disable responsive defaults within the iframe if needed.

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